1187474117054 has 32 divisors (see below), whose sum is σ = 1797987020544. Its totient is φ = 588175902720.

The previous prime is 1187474117029. The next prime is 1187474117057. The reversal of 1187474117054 is 4507114747811.

It is a junction number, because it is equal to n+sod(n) for n = 1187474116993 and 1187474117011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1187474117057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133976627 + ... + 133985489.

It is an arithmetic number, because the mean of its divisors is an integer number (56187094392).

Almost surely, 2^{1187474117054} is an apocalyptic number.

1187474117054 is a deficient number, since it is larger than the sum of its proper divisors (610512903490).

1187474117054 is a wasteful number, since it uses less digits than its factorization.

1187474117054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10532.

The product of its (nonzero) digits is 878080, while the sum is 50.

The spelling of 1187474117054 in words is "one trillion, one hundred eighty-seven billion, four hundred seventy-four million, one hundred seventeen thousand, fifty-four".